    \NeedsTeXFormat{LaTeX2e}
    \ProvidesPackage{macros}

    \RequirePackage{xspace}

    \newcommand{\ELH}{\mathcal{ELH}}
    \newcommand{\ELHI}{\mathcal{ELHI}}
    \newcommand{\ELHIO}{\mathcal{ELHIO}}
    \newcommand{\DLlitePlus}{\mbox{DL-Lite}^+}
    \newcommand{\DLlite}{\mbox{DL-Lite}}
    \newcommand{\DLliteR}{\mbox{DL-Lite}_R}
    \newcommand{\NLogSpace}{\textsc{NLogSpace}\xspace}
    \newcommand{\LogSpace}{\textsc{LogSpace}\xspace}
    \newcommand{\PTime}{\textsc{PTime}\xspace} 